:root {
	--input-padding-x: .75rem;
	--input-padding-y: .75rem;
}

html, body {
	height: 100%;
}

body {
	display: -ms-flexbox;
	display: -webkit-box;
	display: flex;
	-ms-flex-align: center;
	-ms-flex-pack: center;
	-webkit-box-align: center;
	align-items: center;
	-webkit-box-pack: center;
	justify-content: center;
	padding-top: 40px;
	padding-bottom: 40px;
}

.form-signin {
	width: 100%;
	max-width: 420px;
	padding: 15px;
	margin: 0 auto;
}

.form-title {
	text-align: center;
	margin-bottom: 1rem;
	font-size: 30px;
	color: #666;
}

.form-label-group {
	position: relative;
	margin-bottom: 1rem;
}

.form-label-group>input, .form-label-group>label {
	height: auto;
	padding: var(--input-padding-y) var(--input-padding-x);
}

.form-label-group>label {
	position: absolute;
	top: 0;
	left: 0;
	display: block;
	width: 100%;
	margin-bottom: 0; /* Override default `<label>` margin */
	line-height: 1.5;
	color: #495057;
	border: 1px solid transparent;
	border-radius: .25rem;
	transition: all .1s ease-in-out;
}

.form-label-group input::-webkit-input-placeholder {
	color: transparent;
}

.form-label-group input:-ms-input-placeholder {
	color: transparent;
}

.form-label-group input::-ms-input-placeholder {
	color: transparent;
}

.form-label-group input::-moz-placeholder {
	color: transparent;
}

.form-label-group input::placeholder {
	color: transparent;
}

.form-label-group input:not(:placeholder-shown) {
	padding-top: calc(var(--input-padding-y) + var(--input-padding-y) * (2 / 3));
	padding-bottom: calc(var(--input-padding-y) / 3);
}

.form-label-group input:not(:placeholder-shown) ~ label {
	padding-top: calc(var(--input-padding-y) / 3);
	padding-bottom: calc(var(--input-padding-y) / 3);
	font-size: 12px;
	color: #777;
}